Search for new superconductors in the Y-Ni-B-C system

B. Knigge; A. Hoffmann; D. Lederman; D. C. Vier; S. Schultz; Ivan K. Schuller

doi:10.1063/1.364281

Search for new superconductors in the Y-Ni-B-C system

B. Knigge, A. Hoffmann, D. Lederman, D. C. Vier, S. Schultz, Ivan K. Schuller

Research output: Contribution to journal › Article › peer-review

Abstract

We have searched for superconductivity in a wide variety of stoichiometries in the Y-Ni-B-C system, using Y_x(NiB)C_y phase spread alloy thin films and the magnetic field modulated microwave absorption technique. The superconducting critical temperature (T_c) varies with the stoichiometry, showing the highest T_c for a Y/Ni ratio of 1/2, attributed to the YNi₂B₂C phase. We found no other superconducting phases with a T_c higher than 10 K. Furthermore, a search in Y_xNiB(C_1-zN_z)_y and Y_xNiBN_y phase spread alloys showed no superconductivity.

Original language	English (US)
Pages (from-to)	2291-2295
Number of pages	5
Journal	Journal of Applied Physics
Volume	81
Issue number	5
DOIs	https://doi.org/10.1063/1.364281
State	Published - Mar 1 1997
Externally published	Yes

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General Physics and Astronomy

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10.1063/1.364281

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abstract = "We have searched for superconductivity in a wide variety of stoichiometries in the Y-Ni-B-C system, using Yx(NiB)Cy phase spread alloy thin films and the magnetic field modulated microwave absorption technique. The superconducting critical temperature (Tc) varies with the stoichiometry, showing the highest Tc for a Y/Ni ratio of 1/2, attributed to the YNi2B2C phase. We found no other superconducting phases with a Tc higher than 10 K. Furthermore, a search in YxNiB(C1-zNz)y and YxNiBNy phase spread alloys showed no superconductivity.",

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AU - Hoffmann, A.

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AU - Schultz, S.

AU - Schuller, Ivan K.

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N2 - We have searched for superconductivity in a wide variety of stoichiometries in the Y-Ni-B-C system, using Yx(NiB)Cy phase spread alloy thin films and the magnetic field modulated microwave absorption technique. The superconducting critical temperature (Tc) varies with the stoichiometry, showing the highest Tc for a Y/Ni ratio of 1/2, attributed to the YNi2B2C phase. We found no other superconducting phases with a Tc higher than 10 K. Furthermore, a search in YxNiB(C1-zNz)y and YxNiBNy phase spread alloys showed no superconductivity.

AB - We have searched for superconductivity in a wide variety of stoichiometries in the Y-Ni-B-C system, using Yx(NiB)Cy phase spread alloy thin films and the magnetic field modulated microwave absorption technique. The superconducting critical temperature (Tc) varies with the stoichiometry, showing the highest Tc for a Y/Ni ratio of 1/2, attributed to the YNi2B2C phase. We found no other superconducting phases with a Tc higher than 10 K. Furthermore, a search in YxNiB(C1-zNz)y and YxNiBNy phase spread alloys showed no superconductivity.

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Search for new superconductors in the Y-Ni-B-C system

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